Fire escape – ladder – or scaffold – Combined
Reexamination Certificate
2000-07-05
2001-10-23
Lev, Bruce A. (Department: 3634)
Fire escape, ladder, or scaffold
Combined
C182S153000, C182S155000
Reexamination Certificate
active
06305498
ABSTRACT:
FIELD OF THE INVENTION
The invention relates in general to sawhorses and, more particularly, to a sawhorse that has a tool carrier member relatively permanently attached to it.
BACKGROUND OF THE INVENTION
Sawhorses are generally used in pairs to support construction-related or carpentry-related workpieces such as boards, planks, pipes, etc. Additionally, sawhorses provide a degree of ground clearance needed for some tools, such as saws, to function properly.
For convenience, construction workers or carpenters keep their tools in a tool carrier of some sort, with which the organization and relatively close proximity of their tools can be maintained, that is laid over or around the top or upper portion of a sawhorse. A tool carrier which covers the sawhorse's top surface can reduce or impede the stability of a workpiece supported on the sawhorse and/or impede opening and closing of the sawhorse on which the tool carrier is placed, and a tool carrier which is draped over the top of a sawhorse is also more likely to be damaged—either by the tools the workman is using of by the workpiece itself. Furthermore, the sawhorse tool carriers known in the prior art are all relatively loosely placed on the sawhorse. Because of this, the tool carrier can fall off the support and become lost relatively easily.
SUMMARY OF THE INVENTION
The present invention avoids these limitations in the prior art by providing a sawhorse that has a tool carrier member relatively permanently attached to one of the support members in a manner which does not obstruct the workpiece support surface or impede opening and closing of the support members.
In preferred embodiments, the sawhorse includes a pair of support members that are pivotally connected at their top ends. The support members can be pivoted into a collapsed storage configuration or spread apart into an open working configuration. At least one foldable cross-brace helps secure the support members in the working configuration.
The tool carrier member has a variety of loops and pockets to hold a worker's tools and is conveniently located on the outside surface of one of the support members. A sawhorse according to the invention has advantages in that, because the tool carrier member is relatively securely attached to the support member, the tool carrier member is not likely to fall off the support member or be lost when the sawhorse is moved. Furthermore, because the tool carrier member does not cover the workpiece supporting surface, it is less likely to be damaged by a tool operating on the workpiece and the workpiece will be more securely supported on the surface.
Additionally, the sawhorse of the invention has a pair of flip-up workpiece restraints that restrict or prevent lateral movement of a workpiece supported on the sawhorse. These restraints also act as guides when sliding a workpiece across the support surface.
The invention also provides a sawhorse comprising a base assembly including a pair of support members each formed from a plastic material, the support members being connected to one another for movement between an open working configuration in which the base assembly is self-supporting in an upright position and a closed storage configuration. A workpiece support structure mounted on the base assembly and defines an upwardly facing support surface for supporting a workpiece when the base assembly is in its self-supporting upright position. An attachment for the base assembly is provided in the form of a tool carrier assembly comprising a flexible carrier sheet, a plurality of tool holding elements affixed to the carrier sheet and a plurality of fasteners fixedly affixing the carrier sheet to one of the pair of support members in a configuration providing access to tools held by the tool holding elements when the base assembly is in the open working configuration thereof. The tool carrier assembly is positioned (a) such that the tool carrier assembly is below the workpiece support surface to allow the support surface to support a workpiece without interference from the tool carrier assembly and (b) such that the tool carrier assembly does not impede movement of the base assembly between its closed storage configuration and its opened working configuration.
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Lev Bruce A.
Pillsbury & Winthrop LLP
ZAG Industries Ltd.
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